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A two-stage rocket accelerates from rest at +3.27 m/s^2 for 6.82seconds. It then accelerates at +2.98 m/s^2 for another 5.90seconds. After the second stage, it enters into a state of freefall.Determine:a. the speed when the rocket enters a state of freefallb. the maximum altitudec. the height of the rocket after 20.0secondsd. the maximum speede. the total time the rocket is in the air (assumingit is launched from the ground)
A 2.00-cm-diameter parallel-plate capacitor with a spacing of 0.600mm is charged to 300V, What is the total energy stored in the electric field
An ideal monatomic gas expands isothermally from 0.500 m3 to 1.25 m3 at a constant temperature of 630 K, Find the thermal energy transfer Q
Upon and following the introduction of Coulomb's law, my book keeps referencing to the electric force experienced between two point particles as just that--between two point particles. Does mass affect Coulombs law in any way?
What is the terminal speed at which the bar falls.
suppose a large crate of 300kg is hung from a uniform steel beam of mass 100kg and 2 meters in length. what would be he initial angular acceleration of the beam
The arm of a person weighs 41.5N, which acts at the center of mass that is located 29.0cm from the rotation point in the shoulder. What is the force required by the deltoid muscle, Fd, to hold the arm parallel to the floor
A place kicker must kick a football from a point 28.0 m (= 30.6 yd) from the goal, and the ball must clear the crossbar, which is 3.05 m high. What is the vertical velocity of the ball at the time it reaches the crossbar
The camera is 4.50 m in front of the mirror. What is the distance between the camera and the apparent position of the bird's image in the mirror
A meter stick of weight W leans away from a wall. The 0cm line is against the wall at the floor and it makes an angle theta with the wall. It is kept from falling by a horizontal string connected to the 80cm line. What is the tension (T) in the strin..
You rev your car's engine to 2600 (). a) If you change the period of the engine to 0.038 , how many rpms is it doing
just when charliw wants to sit down, a 240 lb bully pushes him away with a force of 450 N. what is the force exerted by charlie brown on the bully
A 32000-kg railroad freight car collides with a stationary caboose car. What is the mass of the caboose
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